| 摘要 |
A class of 2-arylpyrimidines which is useful in the control of weeds is of the general formula: wherein R2 is an optionally substituted aromatic ring; R3 is a saturated or unsaturated alkyl group; R5 is selected from hydrogen, halo, alkyl, alkenyl, alkynyl, alkoxy, and alkylthio; R6 is selected from hydrogen, halo, alkyl, haloalkyl, aryl, and alkoxy; and X is oxygen or sulfur.
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